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2120210002 = 21955354217
BaseRepresentation
bin111111001011111…
…1101011001010010
312110202112211100101
41332113331121102
513320233210002
6550215243014
7103353326161
oct17627753122
95422484311
102120210002
11998892179
124b207946a
1327a345a41
1416182b3d8
15c620a587
hex7e5fd652

2120210002 has 8 divisors (see below), whose sum is σ = 3180536316. Its totient is φ = 1060031232.

The previous prime is 2120209969. The next prime is 2120210003. The reversal of 2120210002 is 2000120212.

It can be written as a sum of positive squares in 2 ways, for example, as 2116828081 + 3381921 = 46009^2 + 1839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2120210003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11998 + ... + 66214.

Almost surely, 22120210002 is an apocalyptic number.

2120210002 is a deficient number, since it is larger than the sum of its proper divisors (1060326314).

2120210002 is a wasteful number, since it uses less digits than its factorization.

2120210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73772.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120210002 is about 46045.7381524067. The cubic root of 2120210002 is about 1284.6740737990.

Adding to 2120210002 its reverse (2000120212), we get a palindrome (4120330214).

The spelling of 2120210002 in words is "two billion, one hundred twenty million, two hundred ten thousand, two".

Divisors: 1 2 19553 39106 54217 108434 1060105001 2120210002